The Prokas Ultimax Polycarbonate luggage suitcase is made of 100% glossy polycarbonate hard-shell that is extremely durable and impact resistant. It features at patent-pending wheel system inspired by jet engines, with wider wheel bases, this suitcase has a better traction and stability. There's so much features to love; multiple interior zippered pockets for great organization, patent-pending T-Cruiser handle system for easy maneuverability, Dual Cyclone spinner wheels allowing the suitcase to roll upright. Your next trip needs Prokas Ultimax 26" Spinner!